Big Bear Lake, CA Weather & Growing Conditions
This Afternoon
70°F
Sunny
Sunny, with a high near 70. Southwest wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Sunny | 5 to 10 mph SW | 0% |
| Tonight | 50°F | Mostly Clear | 0 to 5 mph E | 0% |
| Sunday | 69°F | Mostly Sunny | 5 to 10 mph S | 0% |
| Sunday Night | 49°F | Mostly Clear | 0 to 5 mph E | 1% |
| Monday | 64°F | Sunny | 5 to 10 mph S | 3% |
| Monday Night | 44°F | Mostly Clear | 0 to 5 mph NW | 1% |
| Tuesday | 64°F | Sunny | 0 to 5 mph NW | 1% |
| Tuesday Night | 46°F | Clear | 0 to 5 mph NE | 0% |
| Wednesday | 70°F | Sunny | 5 mph SE | 0% |
| Wednesday Night | 49°F | Clear | 0 to 5 mph SE | 0% |
| Thursday | 72°F | Sunny | 5 to 10 mph S | 8% |
| Thursday Night | 50°F | Mostly Clear | 0 to 5 mph S | 3% |
| Friday | 70°F | Slight Chance Rain Showers | 5 to 10 mph S | 15% |
| Friday Night | 49°F | Mostly Clear | 5 mph S | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Big Bear Lake, CA
Last spring frost
May 27
First fall frost
Oct 4
Growing season
131 days
Hardiness zone
7b
Explore more for Big Bear Lake, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Big Bear Lake, Ca (2.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.